VirtualBox

source: vbox/trunk/src/VBox/Main/testcase/tstUSBProxyLinux.cpp@ 63495

Last change on this file since 63495 was 62485, checked in by vboxsync, 8 years ago

(C) 2016

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  • Property svn:keywords set to Author Date Id Revision
File size: 8.6 KB
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1/* $Id: tstUSBProxyLinux.cpp 62485 2016-07-22 18:36:43Z vboxsync $ */
2/** @file
3 * USBProxyBackendLinux test case.
4 */
5
6/*
7 * Copyright (C) 2011-2016 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 */
17
18
19/*********************************************************************************************************************************
20* Header Files *
21*********************************************************************************************************************************/
22
23#include "USBGetDevices.h"
24
25#include <VBox/err.h>
26#include <iprt/assert.h>
27#include <iprt/env.h>
28#include <iprt/string.h>
29#include <iprt/test.h>
30
31/*** BEGIN STUBS ***/
32
33static struct
34{
35 const char *pcszEnvUsb;
36 const char *pcszEnvUsbRoot;
37 const char *pcszDevicesRoot;
38 bool fDevicesAccessible;
39 const char *pcszUsbfsRoot;
40 bool fUsbfsAccessible;
41 int rcMethodInit;
42 const char *pcszDevicesRootExpected;
43 bool fUsingUsbfsExpected;
44 int rcExpected;
45} s_testEnvironment[] =
46{
47 /* "sysfs" and valid root in the environment */
48 { "sysfs", "/dev/bus/usb", "/dev/bus/usb", true, NULL, false, VINF_SUCCESS, "/dev/bus/usb", false, VINF_SUCCESS },
49 /* "sysfs" and bad root in the environment */
50 { "sysfs", "/dev/bus/usb", "/dev/vboxusb", false, "/proc/usb/bus", false, VINF_SUCCESS, "", true, VERR_NOT_FOUND },
51 /* "sysfs" and no root in the environment */
52 { "sysfs", NULL, "/dev/vboxusb", true, NULL, false, VINF_SUCCESS, "/dev/vboxusb", false, VINF_SUCCESS },
53 /* "usbfs" and valid root in the environment */
54 { "usbfs", "/dev/bus/usb", NULL, false, "/dev/bus/usb", true, VINF_SUCCESS, "/dev/bus/usb", true, VINF_SUCCESS },
55 /* "usbfs" and bad root in the environment */
56 { "usbfs", "/dev/bus/usb", "/dev/vboxusb", false, "/proc/usb/bus", false, VINF_SUCCESS, "", true, VERR_NOT_FOUND },
57 /* "usbfs" and no root in the environment */
58 { "usbfs", NULL, NULL, false, "/proc/bus/usb", true, VINF_SUCCESS, "/proc/bus/usb", true, VINF_SUCCESS },
59 /* invalid method in the environment, sysfs available */
60 { "invalid", "/dev/bus/usb", "/dev/vboxusb", true, NULL, false, VINF_SUCCESS, "/dev/vboxusb", false, VINF_SUCCESS },
61 /* invalid method in the environment, usbfs available */
62 { "invalid", "/dev/bus/usb", NULL, true, "/proc/bus/usb", true, VINF_SUCCESS, "/proc/bus/usb", true, VINF_SUCCESS },
63 /* invalid method in the environment, sysfs inaccessible */
64 { "invalid", "/dev/bus/usb", "/dev/vboxusb", false, NULL, false, VINF_SUCCESS, "", true, VERR_VUSB_USB_DEVICE_PERMISSION },
65 /* invalid method in the environment, usbfs inaccessible */
66 { "invalid", "/dev/bus/usb", NULL, false, "/proc/bus/usb", false, VINF_SUCCESS, "", true, VERR_VUSB_USBFS_PERMISSION },
67 /* No environment, sysfs and usbfs available but without access permissions. */
68 { NULL, NULL, "/dev/vboxusb", false, "/proc/bus/usb", false, VERR_NO_MEMORY, "", true, VERR_VUSB_USB_DEVICE_PERMISSION },
69 /* No environment, sysfs and usbfs available, access permissions for sysfs. */
70 { NULL, NULL, "/dev/vboxusb", true, "/proc/bus/usb", false, VINF_SUCCESS, "/dev/vboxusb", false, VINF_SUCCESS },
71 /* No environment, sysfs and usbfs available, access permissions for usbfs. */
72 { NULL, NULL, "/dev/vboxusb", false, "/proc/bus/usb", true, VINF_SUCCESS, "/proc/bus/usb", true, VINF_SUCCESS },
73 /* No environment, sysfs available but without access permissions. */
74 { NULL, NULL, "/dev/vboxusb", false, NULL, false, VERR_NO_MEMORY, "", true, VERR_VUSB_USB_DEVICE_PERMISSION },
75 /* No environment, usbfs available but without access permissions. */
76 { NULL, NULL, NULL, false, "/proc/bus/usb", false, VERR_NO_MEMORY, "", true, VERR_VUSB_USBFS_PERMISSION },
77};
78
79static void testInit(RTTEST hTest)
80{
81 RTTestSub(hTest, "Testing USBProxyLinuxChooseMethod");
82 for (unsigned i = 0; i < RT_ELEMENTS(s_testEnvironment); ++i)
83 {
84 bool fUsingUsbfs = true;
85 const char *pcszDevicesRoot = "";
86
87 TestUSBSetEnv(s_testEnvironment[i].pcszEnvUsb,
88 s_testEnvironment[i].pcszEnvUsbRoot);
89 TestUSBSetupInit(s_testEnvironment[i].pcszUsbfsRoot,
90 s_testEnvironment[i].fUsbfsAccessible,
91 s_testEnvironment[i].pcszDevicesRoot,
92 s_testEnvironment[i].fDevicesAccessible,
93 s_testEnvironment[i].rcMethodInit);
94 int rc = USBProxyLinuxChooseMethod(&fUsingUsbfs, &pcszDevicesRoot);
95 RTTESTI_CHECK_MSG(rc == s_testEnvironment[i].rcExpected,
96 ("rc=%Rrc (test index %i) instead of %Rrc!\n",
97 rc, i, s_testEnvironment[i].rcExpected));
98 RTTESTI_CHECK_MSG(!RTStrCmp(pcszDevicesRoot,
99 s_testEnvironment[i].pcszDevicesRootExpected),
100 ("testGetDevicesRoot() returned %s (test index %i) instead of %s!\n",
101 pcszDevicesRoot, i,
102 s_testEnvironment[i].pcszDevicesRootExpected));
103 RTTESTI_CHECK_MSG( fUsingUsbfs
104 == s_testEnvironment[i].fUsingUsbfsExpected,
105 ("testGetUsingUsbfs() returned %RTbool (test index %i) instead of %RTbool!\n",
106 fUsingUsbfs, i,
107 s_testEnvironment[i].fUsingUsbfsExpected));
108 }
109}
110
111static struct
112{
113 const char *pacszDeviceAddresses[16];
114 const char *pacszAccessibleFiles[16];
115 const char *pcszRoot;
116 bool fIsDeviceNodes;
117 bool fAvailableExpected;
118} s_testCheckDeviceRoot[] =
119{
120 /* /dev/vboxusb accessible -> device nodes method available */
121 { { NULL }, { "/dev/vboxusb" }, "/dev/vboxusb", true, true },
122 /* /dev/vboxusb present but not accessible -> device nodes method not
123 * available */
124 { { NULL }, { NULL }, "/dev/vboxusb", true, false },
125 /* /proc/bus/usb available but empty -> usbfs method available (we can't
126 * really check in this case) */
127 { { NULL }, { "/proc/bus/usb" }, "/proc/bus/usb", false, true },
128 /* /proc/bus/usb not available or not accessible -> usbfs method not available */
129 { { NULL }, { NULL }, "/proc/bus/usb", false, false },
130 /* /proc/bus/usb available, one inaccessible device -> usbfs method not
131 * available */
132 { { "/proc/bus/usb/001/001" }, { "/proc/bus/usb" }, "/proc/bus/usb", false, false },
133 /* /proc/bus/usb available, one device of two inaccessible -> usbfs method
134 * not available */
135 { { "/proc/bus/usb/001/001", "/proc/bus/usb/002/002" },
136 { "/proc/bus/usb", "/proc/bus/usb/001/001" }, "/proc/bus/usb", false, false },
137 /* /proc/bus/usb available, two accessible devices -> usbfs method
138 * available */
139 { { "/proc/bus/usb/001/001", "/proc/bus/usb/002/002" },
140 { "/proc/bus/usb", "/proc/bus/usb/001/001", "/proc/bus/usb/002/002" },
141 "/proc/bus/usb", false, true }
142};
143
144static void testCheckDeviceRoot(RTTEST hTest)
145{
146 RTTestSub(hTest, "Testing the USBProxyLinuxCheckDeviceRoot API");
147 for (unsigned i = 0; i < RT_ELEMENTS(s_testCheckDeviceRoot); ++i)
148 {
149 TestUSBSetAvailableUsbfsDevices(s_testCheckDeviceRoot[i]
150 .pacszDeviceAddresses);
151 TestUSBSetAccessibleFiles(s_testCheckDeviceRoot[i]
152 .pacszAccessibleFiles);
153 bool fAvailable = USBProxyLinuxCheckDeviceRoot
154 (s_testCheckDeviceRoot[i].pcszRoot,
155 s_testCheckDeviceRoot[i].fIsDeviceNodes);
156 RTTESTI_CHECK_MSG( fAvailable
157 == s_testCheckDeviceRoot[i].fAvailableExpected,
158 ("USBProxyLinuxCheckDeviceRoot() returned %RTbool (test index %i) instead of %RTbool!\n",
159 fAvailable, i,
160 s_testCheckDeviceRoot[i].fAvailableExpected));
161 }
162}
163
164int main(void)
165{
166 /*
167 * Init the runtime, test and say hello.
168 */
169 RTTEST hTest;
170 RTEXITCODE rcExit = RTTestInitAndCreate("tstUSBProxyLinux", &hTest);
171 if (rcExit != RTEXITCODE_SUCCESS)
172 return rcExit;
173 RTTestBanner(hTest);
174
175 /*
176 * Run the tests.
177 */
178 testInit(hTest);
179 testCheckDeviceRoot(hTest);
180
181 /*
182 * Summary
183 */
184 return RTTestSummaryAndDestroy(hTest);
185}
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